Leave it to an Army general to analyze, summarize and finalize the dangers of mail-only voting, succinctly, using data, and then give marching orders to the concerned. In a letter to the North Carolina Pilot, Lt. Gen. Marvin Covault (ret.) uses years of experience and all three of his stars to recognize that mail-only voting is the enemy of vote integrity.
Source: A General’s analysis of the dangers of mail-in voting